[CAUT] question

[Fred Sturm]

Darrel Fandrich designed them, wrote an article about it in the  
journal (description of how to make your own), and he now makes them  
for sale. fandrich at fandrich.com
Regards,
Fred Sturm
University of New Mexico
fssturm at unm.edu



On Apr 1, 2009, at 7:20 AM, Dr. Henry Nicolaides wrote:

> Does anyone have a picture or diagram of this type installation?  
> From where are the riblets available, or does one make their own?
>
> Henry Nicolaides
> Piano Technician
> Southern Illinois School of Music
> Carbondale, Illinois
>
> henryn at siu.edu
>
>
> From: dporritt at mail.smu.edu
> To: caut at ptg.org
> Date: Wed, 1 Apr 2009 05:39:03 -0500
> Subject: Re: [CAUT] question
>
> I didn’t.  The object (as I understand it) is to increase the  
> stiffness of the board and the riblet is what accomplishes that.   
> The riblet is constructed so that the ends connect with the sounding  
> board first and only after the screw is tight does the middle make  
> contact.  I can’t see that wedging up the board would add anything  
> to the process nor do I think lowering the tension is necessary.
>
> dave
>
> David M. Porritt, RPT
> dporritt at smu.edu
>
> From: caut-bounces at ptg.org [mailto:caut-bounces at ptg.org] On Behalf  
> Of Albert Lord
> Sent: Tuesday, March 31, 2009 9:03 PM
> To: caut at ptg.org
> Subject: Re: [CAUT] question
>
> David,
>
> Before gluing these riblets do you wedge up the soundboard
> or lower string tension?
>
> Albert Lord.
>
> On Tue, Mar 31, 2009 at 11:50 AM, Porritt, David <dporritt at mail.smu.edu 
> > wrote:
>
> The riblets helped both power and sustain.  To be sure I was going  
> to be screwing the anchor screw into the bridge I drilled a very  
> small pilot hole down through the bridge.  I put both holes spaced  
> between two ribs and drilled so the screws would go between unisons  
> and would not interest bridge pins.  Then from underneath I scrapped  
> the lacquer off the sounding board where the riblets would be glued  
> to it.  I then applied glue and screwed them on.
> David M. Porritt, RPT
>
>
>
>
>
> Rediscover Hotmail®: Get quick friend updates right in your inbox.  
> Check it out.

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://ptg.org/pipermail/caut_ptg.org/attachments/20090401/7ff68fbe/attachment.html>